| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 45,141,851 | 16 | people per km2 |
| Bolivia | South America | 1,083,301 | 11,569,897 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 210,264,161 | 25 | people per km2 |
| Chile | South America | 743,812 | 18,075,294 | 24 | people per km2 |
| Colombia | South America | 1,038,700 | 48,783,635 | 47 | people per km2 |
| Ecuador | South America | 276,841 | 16,819,879 | 61 | people per km2 |
| Guyana | South America | 196,849 | 744,802 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,157,157 | 18 | people per km2 |
| Peru | South America | 1,279,996 | 31,668,470 | 25 | people per km2 |
| Suriname | South America | 156,000 | 606,283 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,353,319 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 32,236,197 | 37 | people per km2 |